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Patent Searching and Data


Matches 51 - 100 out of 17,952

Document Document Title
WO/2020/012894A1
Provided is a screw device in which damage to a screw groove in a screw shaft hidden by a nut can be detected with a high degree of probability. At least two circulation parts (4a, 4b) are mounted to a nut (2) so that at least two circul...  
WO/2020/011302A1
An actuator for a rear-axle steering system of a motor vehicle comprises a lead screw (2) which is surrounded by planets (21) which are each provided with a corresponding profile (8), wherein the planets (21) are guided in a driven cage ...  
WO/2020/011456A1
The invention relates to a supported spindle for a device equipped with a spindle nut, the spindle having: a spindle body (30) extending along its middle longitudinal axis (36); a support plate (32) which is fixedly welded to the spindle...  
WO/2020/009202A1
A reduction gear (30) is capable of reducing the torque of a motor and outputting the reduced torque. A housing (12) is provided so as to be immovable relative to the motor (20), and has a cylindrical part (125). A drive cam (40) is prov...  
WO/2020/009199A1
In a drive cam inclined groove (401), a groove bottom (403) is formed at an incline relative to one end surface (411) of a drive cam (40) so that the depth grows shallower from one side toward the other side along the circumferential dir...  
WO/2020/008507A1
A clutch device (1) for controlling transmission of torque between a first rotating body (21) and a second rotating body (23) each capable of rotating about an axis is provided with: a cam plate (35) provided with a first cam surface (35...  
WO/2020/009187A1
In a drive cam groove (400), a groove bottom (403) is formed at an incline such that the depth grows shallower from one end toward the other end, and the drive cam groove (400) has a first drive cam groove (401) formed so that a distance...  
WO/2020/009192A1
A regular drive cam groove (401) extends from a drive cam specific position (PSd1) which is a specific position of a drive cam (40) toward one side in the circumferential direction of the drive cam (40), and is formed with a groove botto...  
WO/2020/004330A1
This electric actuator 1 comprises a motor 5 and a motion conversion mechanism 4 for converting rotational motion produced through the driving of the motor 5 into a prescribed motion. A magnet 31 is disposed, as a sensor target, on a mov...  
WO/2020/004334A1
This locking plate 60 for restricting the rotation of a gear 30 composing a transmission gear mechanism 28 for transmitting rotational motion from a first motor 10 to a motion conversion mechanism 4 comprises a base 601, a protrusion 602...  
WO/2020/003977A1
Provided is a suspension capable of turning a wheel as well as generating a damping force between a sprung mass and an unsprung mass. This suspension (3) comprises: a shaft (5) that is coupled to the sprung mass of a vehicle and formed w...  
WO/2020/004897A1
An electronic power steering apparatus, according to one embodiment of the present invention, comprises: an output shaft rotated by means of a reduction gear connected to a driving motor; a ball screw having an upper end coupled to a low...  
WO/2020/001686A1
A screw drive, comprising a housing (5), and comprising a nut (2) which is arranged on a threaded spindle (1) which is axially displaceable relative to the nut (2), and comprising an axial rolling bearing (3) for the axial mounting of th...  
WO/2020/005055A1
A transmission (10) includes an inputting shaft (1) including, an input waveform face (1a) having an input waveform; an outputting shaft (2) being coaxially arranged with the inputting shaft (1) and including an output waveform face (2a)...  
WO/2020/004377A1
An electric actuator comprising a case, an electric motor 5 built into the case, and a motion conversion mechanism 4 for converting rotational motion of the electric motor 5 into linear motion, with the electric motor 5 being fixed to th...  
WO/2020/004371A1
This electric actuator is provided with an electric motor (5), and a motion converting mechanism (4) which converts a rotating motion of the electric motor (5) into linear motion, wherein the motion converting mechanism (4) includes a nu...  
WO/2020/004379A1
An electrically driven actuator 1 is provided with a drive section 2, a drive force transmitting mechanism 3, a motion converting mechanism 4, a housing space which houses the drive section 2, the drive force transmitting mechanism 3, an...  
WO/2019/243356A1
The present invention relates to a coupling element (6) for attaching to a leadscrew (4), which coupling element has a receiving portion (61), which is formed as a single piece with a coupling portion (62), wherein the receiving portion ...  
WO/2019/242936A1
The invention relates to a spindle drive (50, 60) for an actuator (10) of steer-by-wire steering, having a spindle (57, 67) which is arranged linearly movably in a spindle nut (55, 65), wherein the spindle drive (50, 60) is in the form o...  
WO/2019/244268A1
A cam mechanism that generates axial force in combination with a means for generating a differential around a shaft, said cam mechanism being provided with: a cam plate that is capable of rotating around the shaft and is coupled with the...  
WO/2019/241240A1
A motion device (10) can include a carriage (20) for traveling along a rail (24). The carriage can have at least one rotatable fixed position roller (62), and at least one rotatable adjustable roller that is movable relative to the at le...  
WO/2019/237544A1
A split nut combination, comprising a first nut (1) and a second nut (2) which are completely split from each other, the first nut (1) and the second nut (2) have the same pitch and lead, and fit or move on the same threaded shaft (3). T...  
WO/2019/235507A1
This valve device comprises a valve, a drive device, and a speed change unit. The valve changes the flow mode of a refrigerant flowing within a circulation path of a refrigeration cycle device. The speed change unit comprises a drive sid...  
WO/2019/235508A1
This valve device comprises a valve, a drive device, a magnetic joint, and a screw mechanism. The valve comprises a valve body and changes the flow mode of a refrigerant flowing within a circulation path of a refrigeration cycle device. ...  
WO/2019/235502A1
This valve device comprises a valve, a drive device, and a speed change unit. The valve changes the flow mode of a refrigerant flowing within a circulation path of a refrigeration cycle device. The drive device drives the valve. The driv...  
WO/2019/235038A1
This valve device is provided with: a valve (13) for changing the flow mode of a refrigerant flowing within a circulation path of a refrigeration cycle device (D); and a drive device (32) for driving the valve. The drive device is provid...  
WO/2019/235051A1
The purpose of the present invention is to provide an electrically driven cylinder which does not require the supply of a lubricant over a long period. This electrically driven cylinder (100) is provided with a screw mechanism (50) for c...  
WO/2019/230976A1
A top-type ball screw according to the present invention comprise a screw shaft having spiral outer thread grooves formed on an outer peripheral surface thereof, a nut fitted externally to the screw shaft and having spiral inner thread g...  
WO/2019/231469A1
The improved motorized gearbox mechanism of the present invention includes a plurality of cam-actuated gear block assemblies, which transfer power from an integral rotor and stator assembly contained in a cam/rotor assembly, to a seconda...  
WO/2019/229002A1
Provided is a system comprising a tool (50) and a stator unit (500). The tool (50) comprises an instrument (100, 102) having a proximal end (20) and a distal (40) end, an end effector (300) at the distal end (40) actuated by torque, and ...  
WO/2019/225554A1
The purpose of the present invention is to provide: a slide nut which has a sliding surface made of synthetic resin and which prevents ingress of foreign matter into the sliding surface; and a sliding screw device using said slide nut. I...  
WO/2019/226093A1
A safety lifting device (1) positioning a labelling unit (2) in a vertical direction (Z) in relation to a flow of objects (3) where the labelling unit is arranged for printing labels (4) and/or applying labels to the objects. The lifting...  
WO/2019/223190A1
Disclosed is a nut for irreversibly eliminating a clearance, the nut comprising a first nut body (1) and a second nut body (3), both of which have an internal thread, and further comprising a shrink ring (2), which is disposed between th...  
WO/2019/219109A1
The invention relates to a device for adjusting the height of a vehicle body, comprising a rotationally driven, axially non-displaceable threaded spindle (1) and a threaded nut (3) which is displaceable axially along the threaded spindle...  
WO/2019/218154A1
A linear driver, comprising a housing. A worm assembly, a push rod assembly driven by the worm assembly, a limit switch for limiting the stroke of the push rod assembly, and a motor for driving the worm assembly are mounted in the housin...  
WO/2019/214832A1
The invention relates to a helical gearing driven by an electric motor for driving an adjusting element (5), more particularly in the form of an actuator or a piston of a piston-cylinder unit, wherein the adjusting element (5) can be mov...  
WO/2019/160452A3
The invention relates to mechanical engineering, and more particularly to devices for converting non-uniform rotational motion into uniform rotational motion and vice versa. A motion conversion mechanism comprises a housing, a common sha...  
WO/2019/215461A1
The presented system driven by the impulse of force (1), comprises the source of rotational motion (14), a transformer circuit for converting circular to linear motion (20), which transformer circuit is connected with the source of the r...  
WO/2019/216280A1
[Problem] To provide a reverse input blocking clutch that is capable of easily canceling a state in which the rotation of an output member is either prevented or suppressed. [Solution] This reverse input blocking clutch 5 is provided wit...  
WO/2019/214835A1
The invention relates to a piston-cylinder system, in particular for an actuator unit or brake system, comprising a cylinder (7) having a cylinder bore having an internal diameter (d4) and a piston (5) axially mounted therein so as to be...  
WO/2019/212001A1
[Problem] To provide a reducer which is capable of exerting the same function as that of a ball reducer, and has a simple structure, and in which the number of components is small and the number of assembly steps can be reduced. [Solutio...  
WO/2019/208510A1
This ball screw includes: a screw shaft (10) having a spiral first screw groove (11) formed in an outer peripheral surface thereof; a nut (20) disposed on the periphery of the screw shaft (10) and having a spiral second screw groove (21)...  
WO/2019/208549A1
The present invention addresses the problem of providing a sliding member less susceptible to decreased durability and having improved hardness and a manufacturing method thereof, and a power steering device and manufacturing method ther...  
WO/2019/209520A1
In at least some implementations, an actuator includes a motor, an output rotated by the motor about an axis, and a housing having an interior in which the motor and electrical component are received. The housing includes a first housing...  
WO/2019/207929A1
Provided is a separator having excellent chemical resistance, impact resistance, and productivity. A bearing holder (1) is a separator which is interposed between two spheres which are adjacent to and move in conjunction with each other,...  
WO/2019/202779A1
Provided is a machining tool in which the effort in exchanging a ball screw can be alleviated. A machining tool (1) is provided with: a base 5; a moving body 6; a ball screw 7 having a nut 7n and a screw shaft 7s; a cap member 8 that cov...  
WO/2019/192642A1
The invention relates to a gearing arrangement (1) for a device (2) for the level adjustment of a vehicle structure, comprising a gear wheel (3) that is rotatably mounted on a stationary housing bolt (9) via a bearing element (5) consist...  
WO/2019/194143A1
A linear motion mechanism 20 is accommodated within a housing 30 having an opening 30a and driven by an electric motor 10, causing a cylinder 60 movably and integrally linked to a ball screw nut 50 to be displaced in an axial direction. ...  
WO/2019/195852A1
A linear drive actuator (10) that includes a motor 20 coupled to a threaded roller screw shaft (70) with an integrally formed inner race (71) formed on one end used by an fixed thrust bearing (60). Mounted on the roller screw shaft (70) ...  
WO/2019/189655A1
As one example, a rotation-linear motion conversion device according to an embodiment comprises: a rotation member that is driven by a motor to rotate around a center of rotation; a linear motion member that advances linearly in the dire...  

Matches 51 - 100 out of 17,952